Surname Kostenjak in modern Croatia

In Croatia, Kostenjak families are Croats (from Zagreb ), barely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Bjelovar.

Prevalence

About 60 people with faimily name Kostenjak live in Croatia today, in 30 households. There were 100 of them in the middle of the past century, and their number decreased by 40 percent.
They are located and 6 other Croatian places, mostly in Zagreb (25), Strmec (<10), Bjelovar (<10), Klokocevac (<5), and in Breza (<5).

Outside Croatia

Family name Kostenjak is present in 6 countries on two continents. The family name "Kostenjak " is used by small number of people in the United States.

Characteristic first names

Ivan Kostenjak, Marija Kostenjak, Tomislav Kostenjak, Danko Kostenjak, Milica Kostenjak, Mario Kostenjak, Damir Kostenjak, Dario Kostenjak, Josip Kostenjak, Dragutin Kostenjak, Marina Kostenjak, Vana Kostenjak, Vesna Kostenjak, Marica Kostenjak, Srećko Kostenjak, Rade Kostenjak, Danica Kostenjak, Petra Kostenjak, Suzana Kostenjak

Mentions in sources

In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.

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